Cleanup deprecated symbol usages in testData

js/js.translator/testData/inlineMultiFile/cases/builders/builders.2.kt

@@ -44,7 +44,7 @@ abstract class Tag(val name: String) : Element() {
 
     private fun renderAttributes(): String? {
         val builder = StringBuilder()
-        for (a in attributes.keySet()) {
+        for (a in attributes.keys) {
             builder.append(" $a=\"${attributes[a]}\"")
         }
         return builder.toString()

js/js.translator/testData/inlineMultiFile/cases/buildersAndLambdaCapturing/buildersAndLambdaCapturing.2.kt

@@ -44,7 +44,7 @@ abstract class Tag(val name: String) : Element() {
 
     private fun renderAttributes(): String? {
         val builder = StringBuilder()
-        for (a in attributes.keySet()) {
+        for (a in attributes.keys) {
             builder.append(" $a=\"${attributes[a]}\"")
         }
         return builder.toString()

js/js.translator/testData/inlineMultiFile/cases/closureChain/closureChain.1.kt

@@ -7,7 +7,7 @@ package foo
 
 fun test1(): Int {
     val inlineX = Inline()
-    return inlineX.foo({ z: Int -> "" + z}, 25, { -> this.length() })
+    return inlineX.foo({ z: Int -> "" + z}, 25, { -> this.length })
 }
 
 fun box(): String {

js/js.translator/testData/inlineMultiFile/cases/tryCatchFinally/tryCatchFinally.1.kt

@@ -64,7 +64,7 @@ fun test3(): Int {
                 })
         return res
     } catch (e: RuntimeException) {
-        return e.getMessage()?.toInt2()!!
+        return e.message?.toInt2()!!
     }
 }